protected virtual void OnDisplayPage(GhostscriptViewerViewEventArgs e)
{
if (DisplayPage != null)
{
DisplayPage(this, e);
}
}
protected virtual void OnDisplayUpdate(GhostscriptViewerViewEventArgs e)
{
if (DisplayUpdate != null)
{
DisplayUpdate(this, e);
}
}
void _viewer_DisplayPage(object sender, GhostscriptViewerViewEventArgs e)
{
pbPage.Invalidate();
pbPage.Update();
tbPageNumber.Text = _viewer.CurrentPageNumber.ToString();
tbTotalPages.Text = " / " + _viewer.LastPageNumber.ToString();
}
void _viewer_DisplayPage(object sender, GhostscriptViewerViewEventArgs e)
{
pbPage.Invalidate();
pbPage.Update();
tbPageNumber.Text = _viewer.CurrentPageNumber.ToString();
tbTotalPages.Text = " / " + _viewer.LastPageNumber.ToString();
}
// this is the last raised event after complete page is rasterized
void _viewer_DisplayPage(object sender, GhostscriptViewerViewEventArgs e)
{
// complete PDF page is rasterized and we can update our PictureBox
// once again by calling PictureBox.Invalidate() and PictureBox.Update()
}
void _viewer_DisplayUpdate(object sender, GhostscriptViewerViewEventArgs e)
{
pbPage.Invalidate();
pbPage.Update();
}
void _viewer_DisplaySize(object sender, GhostscriptViewerViewEventArgs e)
{
pbPage.Image = e.Image;
}
internal void RaiseDisplayUpdate(GhostscriptViewerViewEventArgs e)
{
this.OnDisplayUpdate(e);
}
internal void RaiseDisplayUpdate(GhostscriptViewerViewEventArgs e)
{
this.OnDisplayUpdate(e);
}
void _viewer_DisplayUpdate(object sender, GhostscriptViewerViewEventArgs e)
{
pbPage.Invalidate();
pbPage.Update();
}
void _viewer_DisplaySize(object sender, GhostscriptViewerViewEventArgs e)
{
pbPage.Image = e.Image;
}
void _viewer_DisplaySize(object sender, GhostscriptViewerViewEventArgs e)
{
_preview.pbDisplay.Image = e.Image;
}
void _viewer_DisplayUpdate(object sender, GhostscriptViewerViewEventArgs e)
{
_preview.pbDisplay.Invalidate();
_preview.pbDisplay.Update();
}
void _viewer_DisplayPage(object sender, GhostscriptViewerViewEventArgs e)
{
if (e.Image != null)
{
_lastRasterizedImage = e.Image.Clone() as Image;
}
}
// this is the first raised event before PDF page starts rasterizing.
// this event is raised only once per page showing and it tells us
// the dimensions of the PDF page and gives us page image reference.
void _viewer_DisplaySize(object sender, GhostscriptViewerViewEventArgs e)
{
// store PDF page image reference
_pdfPage = e.Image;
}
private void _viewer_DisplayUpdate(object sender, GhostscriptViewerViewEventArgs e)
{
throw new NotImplementedException();
}
// this event is raised when a tile or the part of the page is rasterized
// code in this event must be fast or it will slow down the Ghostscript
// rasterizing.
void _viewer_DisplayUpdate(object sender, GhostscriptViewerViewEventArgs e)
{
// if we are displaying the image in the PictureBox we can update
// it by calling PictureBox.Invalidate() and PictureBox.Update()
// methods. We dont need to set image reference again because
// Ghostscript.NET is changing Image object directly in the
// memory and does not create new Bitmap instance.
}
void _viewer_DisplayPage(object sender, GhostscriptViewerViewEventArgs e)
{
_lastRasterizedImage = e.Image;
}
